Home / 390,205,093.22-585,250,665.74-113,782,027.58

Finding the Fourth Proportional to 390,205,093.22, 585,250,665.74 and 113,782,027.58

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Solution

The fourth proportional to 390,205,093.22, 585,250,665.74 and 113,782,027.58 is: 170,656,427.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,205,093.22 : 585,250,665.74 = 113,782,027.58 : x
  2. Step 2: Convert to fraction form
    390,205,093.22/585,250,665.74 = 113,782,027.58/x
  3. Step 3: Cross multiply
    390,205,093.22x = 585,250,665.74 × 113,782,027.58
  4. Step 4: Simplify right side
    390,205,093.22x = 66,591,007,390,442,040
  5. Step 5: Solve for x
    x = 66,591,007,390,442,040/390,205,093.22
  6. Step 6: Final answer
    x = 170,656,427.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.